I may degenerate you may degenerate he may degenerate we may degenerate you may degenerate they may degenerate
V-ing form
I may be degenerating you may be degenerating he may be degenerating we may be degenerating you may be degenerating they may be degenerating
Perfect
I may have degenerated you may have degenerated he may have degenerated we may have degenerated you may have degenerated they may have degenerated
V-ing perfect
I may have been degenerating you may have been degenerating he may have been degenerating we may have been degenerating you may have been degenerating they may have been degenerating
Negation
Simple form
I mayn't degenerate you mayn't degenerate he mayn't degenerate we mayn't degenerate you mayn't degenerate they mayn't degenerate
V-ing form
I mayn't be degenerating you mayn't be degenerating he mayn't be degenerating we mayn't be degenerating you mayn't be degenerating they mayn't be degenerating
Perfect
I mayn't have degenerated you mayn't have degenerated he mayn't have degenerated we mayn't have degenerated you mayn't have degenerated they mayn't have degenerated
V-ing perfect
I mayn't have been degenerating you mayn't have been degenerating he mayn't have been degenerating we mayn't have been degenerating you mayn't have been degenerating they mayn't have been degenerating
Interrogative form
Simple form
may I degenerate? may you degenerate? may he degenerate? may we degenerate? may you degenerate? may they degenerate?
V-ing form
may I be degenerating? may you be degenerating? may he be degenerating? may we be degenerating? may you be degenerating? may they be degenerating?
Perfect
may I have degenerated? may you have degenerated? may he have degenerated? may we have degenerated? may you have degenerated? may they have degenerated?
V-ing perfect
may I have been degenerating? may you have been degenerating? may he have been degenerating? may we have been degenerating? may you have been degenerating? may they have been degenerating?
Interro-negative form
Simple form
mayn't I degenerate? mayn't you degenerate? mayn't he degenerate? mayn't we degenerate? mayn't you degenerate? mayn't they degenerate?
V-ing form
mayn't I be degenerating? mayn't you be degenerating? mayn't he be degenerating? mayn't we be degenerating? mayn't you be degenerating? mayn't they be degenerating?
Perfect
mayn't I have degenerated? mayn't you have degenerated? mayn't he have degenerated? mayn't we have degenerated? mayn't you have degenerated? mayn't they have degenerated?
V-ing perfect
mayn't I have been degenerating? mayn't you have been degenerating? mayn't he have been degenerating? mayn't we have been degenerating? mayn't you have been degenerating? mayn't they have been degenerating?